2071545880 has 32 divisors (see below), whose sum is σ = 4935155040. Its totient is φ = 779875840.

The previous prime is 2071545859. The next prime is 2071545881. The reversal of 2071545880 is 885451702.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2071545881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1522516 + ... + 1523875.

It is an arithmetic number, because the mean of its divisors is an integer number (154223595).

Almost surely, 2^2071545880 is an apocalyptic number.

2071545880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2071545880 is an abundant number, since it is smaller than the sum of its proper divisors (2863609160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2071545880 is a wasteful number, since it uses less digits than its factorization.

2071545880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046419 (or 3046415 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 2071545880 is about 45514.2382117948. The cubic root of 2071545880 is about 1274.7690736459.

The spelling of 2071545880 in words is "two billion, seventy-one million, five hundred forty-five thousand, eight hundred eighty".